/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.serializer.filter;

import org.springframework.util.CollectionUtils;
import org.springframework.util.ReflectionUtils;

import java.lang.reflect.Field;
import java.util.Collection;
import java.util.List;

/**
 * @author Gregor Schauer
 */
public class FilterSupport<T> implements ReflectionUtils.FieldFilter {
	protected List<AbstractFieldFilter<?>> filters;

	public FilterSupport(List<AbstractFieldFilter<?>> filters) {
		this.filters = filters;
	}

	@Override
	public boolean matches(Field field) {
		return matchesFilters(field, filters);
	}

	public static boolean matchesFilters(Field field, Collection<AbstractFieldFilter<?>> filters) {
		if (filters != null) {
			for (AbstractFieldFilter<?> filter : filters) {
				if (filter.matches(field)) {
					return true;
				}
			}
		}
		return CollectionUtils.isEmpty(filters);
	}

	public List<AbstractFieldFilter<?>> getFilters() {
		return filters;
	}

	public void setFilters(List<AbstractFieldFilter<?>> filters) {
		this.filters = filters;
	}
}
